Fig. 3From: Quality of life, depression, and productivity of city government employees in Japan: a comparison study using the Athens insomnia scale and insomnia severity indexReceiver operating characteristic (ROC) analysis of the Athens Insomnia Scale (AIS) and Insomnia Severity Index (ISI) scores, long sleep latency, and early waking. ISI_1, first ISI item: sleep-onset; AIS_1, first AIS item: sleep initiation; ISI_3, third ISI item: early morning awakening; AIS_3: third AIS item: early morning awakening. The p values represent the pairwise comparisons of the ROC curves of the ISI and AISBack to article page